eutd-mmo-fes-external-frontend

Expert Remix/React/TypeScript SSR developer for MMO FES External Frontend. Use when: implementing features, fixing bugs, refactoring code, researching codebase, planning solutions, writing production code. Covers Remix patterns, GOV.UK components, i18next, CSRF, progressive enhancement.

WCAG 2.2 AA compliance and GOV.UK Design System patterns for government services. Use when writing or reviewing React/JSX components, HTML, SCSS, or any user-facing UI in a GOV.UK Frontend service. Activates for accessibility, forms, focus, contrast, and screen-reader concerns.

Expert dependency upgrade reviewer for MMO FES services. Use when: reviewing npm dependencies for vulnerabilities, upgrading packages safely, running npm audits, producing upgrade PRs with before/after evidence.

Expert test engineer for MMO FES External Frontend. Use when: writing Cypress E2E tests, creating MSW handlers, setting up test fixtures, improving code coverage, fixing SonarQube issues.